Answer: olefin

AnswerCrossword Clue
OLEFINHerculon makeup
OLEFINPolypropylene, e.g.
OLEFINType of hydrocarbon
OLEFINAlkene
OLEFINSynthetic fiber
OLEFINKind of synthetic textile fiber
OLEFINHerculon's fiber
OLEFINAlkene series hydrocarbon
OLEFINSynthetic textile fiber
OLEFINUnsaturated hydrocarbon
olefinany member of the alkene series
olefinan alkene, also OLEFINE